import * as pulumi from "@pulumi/pulumi";
/**
 * Data source for retrieving a value from an AWS DynamoDB table.
 *
 * ## Example Usage
 *
 * ### Basic Usage
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as aws from "@pulumi/aws";
 *
 * const test = aws.dynamodb.getTableItem({
 *     tableName: example.name,
 *     expressionAttributeNames: {
 *         "#P": "Percentile",
 *     },
 *     projectionExpression: "#P",
 *     key: `{
 * \\t\\"hashKey\\": {\\"S\\": \\"example\\"}
 * }
 * `,
 * });
 * ```
 */
export declare function getTableItem(args: GetTableItemArgs, opts?: pulumi.InvokeOptions): Promise<GetTableItemResult>;
/**
 * A collection of arguments for invoking getTableItem.
 */
export interface GetTableItemArgs {
    /**
     * One or more substitution tokens for attribute names in an expression. Use the `#` character in an expression to dereference an attribute name.
     */
    expressionAttributeNames?: {
        [key: string]: string;
    };
    /**
     * Map of attribute names to AttributeValue objects, representing the primary key of the item to retrieve. For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only need to provide a value for the partition key. For a composite primary key, you must provide values for both the partition key and the sort key.
     */
    key: string;
    /**
     * String that identifies one or more attributes to retrieve from the table. These attributes can include scalars, sets, or elements of a JSON document. The attributes in the expression must be separated by commas.
     */
    projectionExpression?: string;
    /**
     * Region where this resource will be [managed](https://docs.aws.amazon.com/general/latest/gr/rande.html#regional-endpoints). Defaults to the Region set in the provider configuration.
     */
    region?: string;
    /**
     * Name or ARN of the table containing the requested item.
     *
     * The following arguments are optional:
     */
    tableName: string;
}
/**
 * A collection of values returned by getTableItem.
 */
export interface GetTableItemResult {
    readonly expressionAttributeNames?: {
        [key: string]: string;
    };
    /**
     * The provider-assigned unique ID for this managed resource.
     */
    readonly id: string;
    /**
     * JSON representation of a map of attribute names to [AttributeValue](https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_AttributeValue.html) objects, as specified by ProjectionExpression.
     */
    readonly item: string;
    readonly key: string;
    readonly projectionExpression?: string;
    readonly region: string;
    readonly tableName: string;
}
/**
 * Data source for retrieving a value from an AWS DynamoDB table.
 *
 * ## Example Usage
 *
 * ### Basic Usage
 *
 * ```typescript
 * import * as pulumi from "@pulumi/pulumi";
 * import * as aws from "@pulumi/aws";
 *
 * const test = aws.dynamodb.getTableItem({
 *     tableName: example.name,
 *     expressionAttributeNames: {
 *         "#P": "Percentile",
 *     },
 *     projectionExpression: "#P",
 *     key: `{
 * \\t\\"hashKey\\": {\\"S\\": \\"example\\"}
 * }
 * `,
 * });
 * ```
 */
export declare function getTableItemOutput(args: GetTableItemOutputArgs, opts?: pulumi.InvokeOutputOptions): pulumi.Output<GetTableItemResult>;
/**
 * A collection of arguments for invoking getTableItem.
 */
export interface GetTableItemOutputArgs {
    /**
     * One or more substitution tokens for attribute names in an expression. Use the `#` character in an expression to dereference an attribute name.
     */
    expressionAttributeNames?: pulumi.Input<{
        [key: string]: pulumi.Input<string>;
    } | undefined>;
    /**
     * Map of attribute names to AttributeValue objects, representing the primary key of the item to retrieve. For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only need to provide a value for the partition key. For a composite primary key, you must provide values for both the partition key and the sort key.
     */
    key: pulumi.Input<string>;
    /**
     * String that identifies one or more attributes to retrieve from the table. These attributes can include scalars, sets, or elements of a JSON document. The attributes in the expression must be separated by commas.
     */
    projectionExpression?: pulumi.Input<string | undefined>;
    /**
     * Region where this resource will be [managed](https://docs.aws.amazon.com/general/latest/gr/rande.html#regional-endpoints). Defaults to the Region set in the provider configuration.
     */
    region?: pulumi.Input<string | undefined>;
    /**
     * Name or ARN of the table containing the requested item.
     *
     * The following arguments are optional:
     */
    tableName: pulumi.Input<string>;
}
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